Question

If rectangle A has sides that are three times the length of those in rectangle B, how do the areas of the two rectangles compare?

A. The area of A is three times the area of B.
OB. The area of A is six times the area of B.
OC. The area of A is eight times the area of B.
OD. The area of A is nine times the area of B.
E. The area of A is twelve times the area of B.

Answer 1

• D. The area of A is nine times the area of B.

Explanation:

Area is the function of two dimensions.

If each dimension is increased 3 times then the area will increase:

• 3*3 = 9 times

Correct choice is D